How to detect spurious correlation in a statistical dataset with binary variables?

17 January 2021 7,892 25 View

Can somebody explain to me why RNA looks like this on RNA electrophoresis picture down below?

I extract the RNA from muscle tissue using Qiagen RNeasy Micro kit (50) (kat.74004). Everything fine with RNA concentration - about 300-500 ng/microliter. Before putting it into wells I mix my RNA...

19 November 2020 2,449 5 View

Can you help me figure out how many EDTA I need to add in the solution?

Composition 2X Loading dye for RNA electrophoresis 95% formamide 0.025% SDS 0.025% bromophenol blue 0.025% xylene cyanol FF 0.025% ethidium bromide 0.5 mM EDTA. I wanna to prepare 10 ml of the...

10 November 2020 4,759 3 View

RNN/LSTM Networks : How to take into account different values of times on different time-series?

LSTM tools of the Matlab allow us to perform classification of the time-series. It is assumed, that different time-series can have different length, but they should have same interval of...

13 October 2020 3,484 3 View

Deep Learning : How on one model to take into account both dynamic (time-series) and static features ?

Matlab tools for Deeep Learning allow us to solve classification tasks with static features (e.g., pixels values of images) and tasks with dynamic features (time-series). For time-series it is...

06 September 2020 9,942 6 View

How to apply Operational and Dynamic Routines to Organization Design?

Dear colleagues, I'm working on methodology of transforming existing organization for manufacturing companies. Could you please guide me on how to approach the following questions: 1. How to...

08 July 2020 1,754 7 View

How to perform the ordinary one-way ANOVA analysis to compare the pharmacological effects for different drug-like substances?

The one-way ANOVA analysis is important to find out whether measured pharmacological effects (the means and medians) observed for three or more drugs are distinct or they are due to a chance....

11 May 2020 4,605 6 View

How to evaluate two-dimensional probability based on two one-dimensional (marginal)?

23 April 2020 6,418 9 View

Does anybody have experimental data on ferroresonance phenomena?

Does anybody have a reliable experimental data on ferroresonance phenomena in a transformer (single- or three-phase)? Thanking you in anticipation, Sergey Zirka

17 April 2020 8,656 4 View

Are there any changes in the tensional behavior of single-wall carbon nanotubes (CNT) with different chiral indexes?

We simulated (LAMMPS program) the tensional behavior of CNTs with different chiral indexes (10, 10; 0, 10, and 10,0) using the original CH.airebo potentials (Stuart et al., 2000). The plot...

16 January 2020 8,147 3 View

Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View

Database of European Football Players Salaries ?

Hello everyone, I am interested in writing about a dissertation about the wages of the football players of the 5 main leagues in Europe. I wanted to know if someone had an up to date data base...

17 February 2021 8,847 3 View

Best protocol for immunogold using araldite resin ?

Hello, We perfom Tokuyasu method (ultrathin cryo sectionning) very often to make immunogold experiments. This time, we need to make a PLT technique with K4M or LR white resin. Our results were...

14 February 2021 4,959 1 View

Does anyone have a stack of images of action potentials or abnormal brain scans?

I need a stack of black and white .jpeg/.tiff/.jpg/.png images across time of either action potentials, neurons firing, or brain scans (comparing disease and normal brain, disease progression,...

09 February 2021 2,648 3 View

Seeds harvest from white clover by selfing?

I tried to get seeds from white clover by self-fertilization but I could not get the seeds. As you know the white clover is generally fertilized by crossing. I wanna get the seeds by...

04 February 2021 9,152 4 View

After transformation of Dh5alpha competent cells I found a cloudy white ppt before plating. Can anyone explain this?

After transformation of Dh5alpha cells by heat shock I grew them at 37 in 200microlitre Terrific Broth (because I had it at hand) and then before plating I found cloudy white ppt in the cell...

03 February 2021 7,867 3 View

Has someone used TTC agar overlay method and can help me?

I have tried to use TTC agar overlay method for a few times to identify respiratory-deficient yeast which were affected by EthBr. The problem is that cells which should have stayed white also have...

22 January 2021 585 10 View

I am trying the synthesis of graphene oxide by using modified hummer's method and the color of my product was white silver so is it graphene oxide?

i have tried modified hummer's method for the synthesis of graphene oxide by adding Graphite powder and NaNO3 in H2SO4 . In this mix KMnO4 was added and diluted with water . this mix was heated...

13 January 2021 9,423 4 View

How to purify gallic acid to get white crystals?

I have isolated gallic acid from triphala churna but it is light brown in colour.

11 January 2021 8,737 1 View

If The Star Sirius Was Described As Red In Historical Times, Why Is It White Now?

Several classical age writers described Sirius as red or reddish or more red than Mars, along with other red and orange stars that are still the same colors described in the past. Sirius has...

05 January 2021 1,080 2 View